Home Biology Body Fluids and Circulation Previous Year Questions The QRS complex in a standard ECG represents:
Biology Body Fluids and Circulation Previous Year Questions Single Correct MCQ
Published on: August 12, 2026

The QRS complex in a standard ECG represents:

A
Depolarisation of auricles
B
Depolarisation of ventricles
C
Repolarisation of ventricles
D
Repolarisation of auricles

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The QRS complex in a standard ECG represents the depolarisation of the ventricles, which initiates the ventricular contraction.

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